Vitamin D Supplementation in Northern European Winters: Evidence, Dose and the Gap Between Guidance and Practice. Journal of Clinical Nutrition and Health, [S. l.], v. 3, n. 1, p. 25–30, 2022. DOI: 10.5281/zenodo.22275642. Disponível em: https://pragmajournals.org/index.php/JCNH/article/view/244. Acesso em: 30 oct. 2026.